package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * @author Maynormoe
 * 菜品控制器
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;
    @PostMapping
    @ApiOperation("新增菜品")
    public  Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);
        // 清理所有菜品的缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        clearCache(key);

        return Result.success();
    }
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult>page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}",dishPageQueryDTO);
        PageResult pageResult=dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);

    }
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids){
        log.info("删除菜品：{}",ids);
        dishService.deleteById(ids);
        //清理所有菜品的缓存数据
        clearCache("dish_*");
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品信息")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品信息：{}",id);
        DishVO dishVO=dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}",dishDTO);
        dishService.updateWithflavor(dishDTO);

        //清理缓存数据
        clearCache("dish_*");
        return Result.success();
    }
    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }
    /**
     * 菜品起售停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result<String> startOrStop(@PathVariable Integer status, Long id){
        dishService.startOrStop(status,id);
        clearCache("dish_*");
        return Result.success();
    }

    /**
     * 清理缓存数据
     * @param dishId
     */
    private void clearCache(Long dishId) {
        String key = "dish_" + dishId;
        redisTemplate.delete(key);
    }
    /**
     * 清理缓存数据
     * @param pattern
     */
    private void clearCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
